Geology Field Trips
Geology Home Page
Roger Weller, geology instructor
firstname.lastname@example.org copyright 2017-R.Weller
vesicular basalt with olivine-A
black sand beach near Hilo, Hawaii
The olivine crystals in basalt fro Hawaii are much smaller than those from
the San Carlos Indian Reservation in Arizona.
Photo is copyright free for non-commercial educational uses.
Just credit photo to Roger Weller/Cochise College.